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Flagman (rail) : ウィキペディア英語版 | Flagman (rail)
On the railroads, a flagman is an employee of the railroad who is assigned to protect contractors or anyone performing work on a railroad right of way. When a train approaches a location where workers may foul the track, the train crew will call the flagman for permission to pass the work area. Usually a flagman is a conductor qualified for the territory. ==Jobs that may require a flagman==
*Workers installing fiber optic cables underneath the right of way. *A construction gang building an overpass or underpass for the purpose of eliminating a grade crossing. *Any construction project that requires workers to be on railroad right of way, and may foul track.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Flagman (rail)」の詳細全文を読む
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